Home / 385,546,992,001.70-578,320,488,002.55-137,304,226,177.70

Finding the Fourth Proportional to 385,546,992,001.70, 578,320,488,002.55 and 137,304,226,177.70

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Solution

The fourth proportional to 385,546,992,001.70, 578,320,488,002.55 and 137,304,226,177.70 is: 205,956,339,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,546,992,001.70 : 578,320,488,002.55 = 137,304,226,177.70 : x
  2. Step 2: Convert to fraction form
    385,546,992,001.70/578,320,488,002.55 = 137,304,226,177.70/x
  3. Step 3: Cross multiply
    385,546,992,001.70x = 578,320,488,002.55 × 137,304,226,177.70
  4. Step 4: Simplify right side
    385,546,992,001.70x = 79,405,847,087,899,972,993,024
  5. Step 5: Solve for x
    x = 79,405,847,087,899,972,993,024/385,546,992,001.70
  6. Step 6: Final answer
    x = 205,956,339,266.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.